Home / 290,325,734.40-435,488,601.60-98,849,510.40

Finding the Fourth Proportional to 290,325,734.40, 435,488,601.60 and 98,849,510.40

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Solution

The fourth proportional to 290,325,734.40, 435,488,601.60 and 98,849,510.40 is: 148,274,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,325,734.40 : 435,488,601.60 = 98,849,510.40 : x
  2. Step 2: Convert to fraction form
    290,325,734.40/435,488,601.60 = 98,849,510.40/x
  3. Step 3: Cross multiply
    290,325,734.40x = 435,488,601.60 × 98,849,510.40
  4. Step 4: Simplify right side
    290,325,734.40x = 43,047,835,052,940,664
  5. Step 5: Solve for x
    x = 43,047,835,052,940,664/290,325,734.40
  6. Step 6: Final answer
    x = 148,274,265.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.